Vulnerability-Lookup

GHSA-G5X6-9F94-CQRF

Vulnerability from github – Published: 2026-01-31 12:30 – Updated: 2026-03-25 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

idpf: fix memory leak in idpf_vc_core_deinit()

Make sure to free hw->lan_regs. Reported by kmemleak during reset:

unreferenced object 0xff1b913d02a936c0 (size 96): comm "kworker/u258:14", pid 2174, jiffies 4294958305 hex dump (first 32 bytes): 00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00 ......-......... 00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff ..@.......%...-. backtrace (crc 36063c4f): __kmalloc_noprof+0x48f/0x890 idpf_vc_core_init+0x6ce/0x9b0 [idpf] idpf_vc_event_task+0x1fb/0x350 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23022"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-31T12:16:05Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vc_core_deinit()\n\nMake sure to free hw-\u003elan_regs. Reported by kmemleak during reset:\n\nunreferenced object 0xff1b913d02a936c0 (size 96):\n  comm \"kworker/u258:14\", pid 2174, jiffies 4294958305\n  hex dump (first 32 bytes):\n    00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00  ......-.........\n    00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff  ..@.......%...-.\n  backtrace (crc 36063c4f):\n    __kmalloc_noprof+0x48f/0x890\n    idpf_vc_core_init+0x6ce/0x9b0 [idpf]\n    idpf_vc_event_task+0x1fb/0x350 [idpf]\n    process_one_work+0x226/0x6d0\n    worker_thread+0x19e/0x340\n    kthread+0x10f/0x250\n    ret_from_fork+0x251/0x2b0\n    ret_from_fork_asm+0x1a/0x30",
  "id": "GHSA-g5x6-9f94-cqrf",
  "modified": "2026-03-25T18:31:35Z",
  "published": "2026-01-31T12:30:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23022"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23391db8a00c23854915b8b72ec1aa10080aa540"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e111cbc4adf9f9974eed040aeece7e17460f6bff"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-23022 (GCVE-0-2026-23022)

Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-05-11 21:58

Title

idpf: fix memory leak in idpf_vc_core_deinit()

Summary

In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vc_core_deinit() Make sure to free hw->lan_regs. Reported by kmemleak during reset: unreferenced object 0xff1b913d02a936c0 (size 96): comm "kworker/u258:14", pid 2174, jiffies 4294958305 hex dump (first 32 bytes): 00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00 ......-......... 00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff ..@.......%...-. backtrace (crc 36063c4f): __kmalloc_noprof+0x48f/0x890 idpf_vc_core_init+0x6ce/0x9b0 [idpf] idpf_vc_event_task+0x1fb/0x350 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30

Severity

No CVSS data available.

Assigner

Linux mitre root

References

2 references

URL	Tags
https://git.kernel.org/stable/c/23391db8a00c23854…
https://git.kernel.org/stable/c/e111cbc4adf9f9974…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 6aa53e861c1a0c042690c9b7c5c153088ae61079 , < 23391db8a00c23854915b8b72ec1aa10080aa540 (git) Affected: 6aa53e861c1a0c042690c9b7c5c153088ae61079 , < e111cbc4adf9f9974eed040aeece7e17460f6bff (git)
Linux	Linux	Affected: 6.17 Unaffected: 0 , < 6.17 (semver) Unaffected: 6.18.6 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "23391db8a00c23854915b8b72ec1aa10080aa540",
              "status": "affected",
              "version": "6aa53e861c1a0c042690c9b7c5c153088ae61079",
              "versionType": "git"
            },
            {
              "lessThan": "e111cbc4adf9f9974eed040aeece7e17460f6bff",
              "status": "affected",
              "version": "6aa53e861c1a0c042690c9b7c5c153088ae61079",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vc_core_deinit()\n\nMake sure to free hw-\u003elan_regs. Reported by kmemleak during reset:\n\nunreferenced object 0xff1b913d02a936c0 (size 96):\n  comm \"kworker/u258:14\", pid 2174, jiffies 4294958305\n  hex dump (first 32 bytes):\n    00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00  ......-.........\n    00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff  ..@.......%...-.\n  backtrace (crc 36063c4f):\n    __kmalloc_noprof+0x48f/0x890\n    idpf_vc_core_init+0x6ce/0x9b0 [idpf]\n    idpf_vc_event_task+0x1fb/0x350 [idpf]\n    process_one_work+0x226/0x6d0\n    worker_thread+0x19e/0x340\n    kthread+0x10f/0x250\n    ret_from_fork+0x251/0x2b0\n    ret_from_fork_asm+0x1a/0x30"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:58:29.545Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/23391db8a00c23854915b8b72ec1aa10080aa540"
        },
        {
          "url": "https://git.kernel.org/stable/c/e111cbc4adf9f9974eed040aeece7e17460f6bff"
        }
      ],
      "title": "idpf: fix memory leak in idpf_vc_core_deinit()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23022",
    "datePublished": "2026-01-31T11:39:05.973Z",
    "dateReserved": "2026-01-13T15:37:45.941Z",
    "dateUpdated": "2026-05-11T21:58:29.545Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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